Spotlight
News & Insights
Patent Law Alert -- USPTO Requires Foreign‑Domiciled Patent Applicants and Patent Owners to Be Represented by Registered U.S. Patent Counsel
The 2026 Edition is Available of A Trademark is Not a Copyright or a Patent by William M. Borchard with Deborah K. Squiers
Cowan, Liebowitz & Latman Once Again Shortlisted for Multiple Managing IP Awards, Including U.S. National and Regional Honors
VALENTINE’S DAY GREETINGS
On My Mind Blog

Case Studies
Federal Circuit upholds successful opposition against application to register LEHMAN BROTHERS for whiskey
We established that cigarette rolling paper size designations are generic.
The Second Circuit affirms summary judgment for our client.
We succesfully represented our client, Major League Baseball Partners, Inc.
Federal Circuit reverses cancellation of U.S. trademark registrations
What They Say
Top brands rely on [Adam] Siegartel for strategic counsel on global brand management and representation in high-stakes disputes.
2026 WTR 1000 – The World’s Leading Trademark Professionals"They work seamlessly as a team, manage projects with efficiency, and cultivate enduring relationships with their clients, who recognize and value their responsiveness, commitment, expertise, and professionalism."
2025 Legal 500"Maryann Licciardi is thoroughly recommended for her strong acumen in trademark prosecution, litigation and portfolio management, making her a trusted source of guidance for leading global clients."
2025 Lexology Index"Cowan, Liebowitz & Latman offers top-notch service at fair rates."
Chambers USA 2025"The trade mark team at Cowan Liebowitz is fantastic to deal with - with heaps of experience and expertise, they know exactly how to deliver client-friendly advice."
2025 Legal 500
Why Us
Founded in 1957, we maintain long-term relationships by providing sound advice, quality legal work, and highly-responsive, personalized service.
What We Do
We represent clients of all sizes across a broad range of industries. The boutique size of our firm, and the breadth of our practice capabilities, allow us to provide a multidisciplinary approach in a cost-effective manner.
Our Clients
Our experience spans a broad range of industries and is international in scope. We appreciate the opportunity of growing with successful companies and brands, as well as creative individuals and accomplished executives.









